On Wed, Oct 2, 2024 at 8:14 AM Shu Han <ebpqwerty472123@xxxxxxxxx> wrote: > > It seems to be the same as [1]. > New LSM hook position for remap_file_pages + IMA = deadlock. > The new LSM hook position is added for a bypass caused by > no check in remap_file_pages + READ_IMPLIES_EXEC in do_mmap. Thanks Shu Han, let's mark this as a dup and sort out a fix in the first report. #syz dup: [syzbot] [integrity?] [lsm?] possible deadlock in process_measurement (4) > I suggest fix it by removing the check and moving READ_IMPLIES_EXEC > out of do_mmap[2]. > > Link: https://lore.kernel.org/lkml/20240928065620.7abadb2d8552f03d785c77c9@xxxxxxxxxxxxxxxxxxxx/ > [1] > Link: https://lore.kernel.org/all/20240928180044.50-1-ebpqwerty472123@xxxxxxxxx/ > [2] -- paul-moore.com
